package jdbc2作业;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args) {
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                    "root", "root");
            Statement statement = connection.createStatement();

            String sql = "UPDATE user" +
                    "SET password='55555',nickname='阿六阿七',age=20" +
                    "WHERE id=1";

       int num = statement.executeUpdate(sql);
       if(num>0) {
           System.out.println("修改成功");
       }else{
           System.out.println("修改失败");
       }


        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}
